January 2015, registrar MAT BAO TRADING & SERVICE COMPANY LIMITED D/B/A MAT BAO / matbao.net registers spamvertised domains and maintains the registration 21% of the time for use as spamvertised domains in spam messages. See:
http://rss.uribl.com/nic/MAT_BAO_TRADING_SERVICE_COMPANY_LIMITED_D_B_A_MAT_BAO.html